287400245

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:613

約数の個数: 32

約数和(自身を含む): 383543424

約数和(自身を除く): 96143179

約数列:

[1, 5, 11, 55, 113, 131, 353, 565, 655, 1243, 1441, 1765, 3883, 6215, 7205, 14803, 19415, 39889, 46243, 74015, 162833, 199445, 231215, 438779, 508673, 814165, 2193895, 2543365, 5225459, 26127295, 57480049, 287400245]

約数ペア:

[(1, 287400245), (5, 57480049), (11, 26127295), (55, 5225459), (113, 2543365), (131, 2193895), (353, 814165), (565, 508673), (655, 438779), (1243, 231215), (1441, 199445), (1765, 162833), (3883, 74015), (6215, 46243), (7205, 39889), (14803, 19415)]